Drying heat recovery - Page 2 - Industrial purification heat recovery

Drying waste heat recovery

The heat pump drying heat recovery system can be applied to the drying of food, medicinal materials, tobacco, wood, and sludge. It has the characteristics of good drying quality and high degree of automation, and is the best and preferred product for energy-saving, green, and environmental protection in the modern drying industry.

The unit utilizes the reverse Carnot principle and efficient heat recovery technology. Throughout the entire drying and dehumidification process, the humid air in the drying room is connected to the main unit through a return air duct. The sensible and latent heat of the humid air is recovered using a sensible heat plate heat recovery device for heat recovery and reuse, greatly improving the performance of the main unit, drying speed, and material quality.

Recovery and utilization of waste heat from kiln drying: stainless steel welded plate air to air heat exchanger

Recovery and utilization of waste heat from kiln drying

Kiln drying waste heat recovery and utilization refers to the recovery and utilization of waste heat from the exhaust gas emitted by the kiln for drying materials, thereby improving energy utilization efficiency and reducing production costs.
Technical principle of waste heat recovery and utilization in kiln drying
The technical principle of waste heat recovery and utilization in kiln drying is to use a heat exchanger to transfer the heat from the kiln exhaust gas to fresh air, thereby heating the fresh air. The heated fresh air is used to dry materials, which can improve drying efficiency and reduce energy consumption.
Application of Waste Heat Recovery and Utilization in Kiln Drying
The technology of waste heat recovery and utilization in kiln drying can be applied to various kiln drying systems, including:
Brick and tile kiln drying
Ceramic kiln drying
Drying of building materials kilns
Chemical kiln drying
Food drying
Drying of agricultural and sideline products
The advantages of recycling and utilizing waste heat from kiln drying
The recovery and utilization of waste heat from kiln drying have the following advantages:
Energy saving: It can effectively utilize the waste heat in the kiln exhaust gas, reduce energy consumption, and lower production costs.
Environmental protection: It can reduce exhaust emissions and reduce environmental pollution.
Improving drying efficiency: can improve drying efficiency, shorten drying time, and improve product quality.
Common methods for recovering and utilizing waste heat from kiln drying
The common methods for recovering and utilizing waste heat from kiln drying include:
Waste heat recovery from flue gas: Using a heat exchanger to transfer the heat in the flue gas to fresh air for drying materials.
Kiln body waste heat recovery: Using the waste heat of the kiln body to heat fresh air for drying materials.
Waste heat drying kiln: Directly use kiln exhaust gas to dry materials.
Notes on the recovery and utilization of waste heat from kiln drying
When recovering and utilizing waste heat from kiln drying, the following precautions should be taken:
Choose a suitable waste heat recovery device: The appropriate waste heat recovery device should be selected based on factors such as kiln type, drying materials, and residual heat.
Ensure heat exchange efficiency: The heat exchange device should be regularly inspected and maintained to ensure heat exchange efficiency.
Prevent corrosion: Measures should be taken to prevent corrosion of the waste heat recovery device.
With the continuous improvement of energy conservation and emission reduction requirements, the technology of waste heat recovery and utilization in kiln drying will be increasingly widely applied.

Heat recovery heat exchanger for coating waste heat in the production of heat shrink film

In the production process of heat shrink film, the coating process usually generates a large amount of waste heat, which can be effectively utilized through waste heat recovery heat exchangers to improve energy efficiency and reduce production costs. The following is the general working principle and advantages of a waste heat recovery heat exchanger during the coating process of heat shrink film production:

Working principle

In the production of heat shrink film, the coating process is often accompanied by the generation of high-temperature exhaust gas, which carries a large amount of heat energy. The working principle of a waste heat recovery heat exchanger is to utilize the heat in these high-temperature exhaust gases and transfer it to fresh air or other media through heat exchange, thereby achieving energy reuse.
The specific work steps are as follows:

Waste gas collection: The generated high-temperature waste gas is collected through pipelines or ventilation systems and transported to the waste heat recovery heat exchanger.

Heat exchange process: Within the waste heat recovery heat exchanger, high-temperature exhaust gas exchanges heat with fresh air or other fluids. Thermal energy is transferred from the exhaust gas to a new medium, causing it to heat up.

Energy reuse: After heat exchange, the heat in the exhaust gas is transferred to a new medium, which can be used to heat the parts that need to be heated in the production process, such as drying equipment or preheating equipment.

Advantages

Energy conservation and emission reduction: The use of waste heat recovery heat exchangers can effectively recover thermal energy from exhaust gas, reduce energy consumption, and reduce emissions such as carbon dioxide, meeting the requirements of energy conservation and emission reduction.

Reduce production costs: By recycling and utilizing the heat energy in exhaust gas, the dependence on external energy can be reduced, production costs can be lowered, and production efficiency can be improved.

Environmental protection and sustainable development: It can minimize the waste of heat energy and minimize its impact on the environment, in line with the concept of sustainable development.

Improving the working environment: Reducing exhaust emissions and heat loss can help improve the working environment on the production site, enhance employee comfort and safety.

Simple and stable operation: The operation of the waste heat recovery heat exchanger is relatively simple and stable, without excessive manual intervention, and can operate continuously and stably.
By applying waste heat recovery heat exchangers, the waste heat generated during the coating process of heat shrink film production can be effectively utilized, bringing many economic and environmental benefits. However, specific applications and designs need to be comprehensively considered and optimized based on production processes, waste heat characteristics, and actual needs to achieve the best energy recovery effect.

Waste heat recovery from shaping machine exhaust gas

The waste heat recovery of the molding machine exhaust gas is an energy-saving technology that improves energy efficiency by capturing and reusing the heat in the exhaust gas emitted by the molding machine. This process typically includes the following steps:

Exhaust gas capture: The shaping machine generates a large amount of exhaust gas during operation, including high-temperature hot air. The exhaust gas capture system is used to effectively collect these exhaust gases.

Heat exchanger: The exhaust gas is introduced into the heat exchanger, which is a device used to transfer heat. Usually, the heat energy in the exhaust gas is transferred to other media flowing through a heat exchanger, such as water or heat transfer oil.

Energy transfer: The heat energy in the heat exchanger is transferred to the passing medium, thereby heating the medium.

Thermal energy reuse: The heated medium can be used for different applications, such as heating buildings, heating process water, providing hot water or steam, or for other industrial heating needs.

Energy conservation and efficiency improvement: Through waste heat recovery, the energy utilization efficiency of the molding machine is improved, reducing energy costs and reducing the impact on the environment.
The performance of the waste heat recovery system depends on the scale of the molding machine, working temperature, exhaust gas composition emitted, and the design and control of the recovery equipment. These systems can effectively reduce exhaust emissions, improve resource utilization efficiency, and reduce energy costs, making them widely used in many industrial applications.

Application of Plate Heat Exchanger in Lithium Battery Wet Diaphragm Production Line

In the wet separator production line of lithium batteries, plate heat exchangers can be used to control and regulate the temperature in the process. It is a heat transfer device consisting of a series of parallel arranged metal plates and sealing gaskets. Through the fluid circulation between plates, heat can be transferred between fluids to achieve temperature regulation and heat recovery. Epoxy heat exchangers are suitable for processes with corrosive media. It is usually made of epoxy resin material and has good corrosion resistance and thermal conductivity. In the wet separator production line of lithium batteries, epoxy heat exchangers can be used for heat transfer and temperature control in the process.
The specific design and application of these devices will vary depending on the scale of the production line, process requirements, and specific application requirements. The wet separator production line for lithium batteries involves multiple process steps, including solution preparation, separator coating, drying, etc. In these processes, plate heat exchangers and epoxy heat exchangers can play an important role in regulating and recovering heat energy, improving production efficiency and energy utilization efficiency.
The selection and design of specific plate heat exchangers and epoxy heat exchangers should consider factors such as process requirements, medium characteristics, temperature control, and rely on the design and suggestions of engineers and professional manufacturers. If necessary, please consult relevant process equipment suppliers or professional engineers for more accurate and detailed technical support.

Function analysis of heat exchanger core

The heat exchanger core is the major part of air to air ventilation system. When the air is forced to pass through the heat exchanger core from two different air channels, the energy and humidity are transferee! by the plates, so as to save the energy. Outdoor air and exhaust air is separated by thermal conduction plate, avoid cross-contamination,make sure dean outdoor air Base on different air channel they can be divided into cross flow9 counter flow and cross&counter flow; base on material can be divided into sensible and enthalpy heat exchanger core.

heat exchanger core have compact structure, no running parts, strong reliability and long service life.

Industrial purification heat recovery

Category Archive Drying heat recovery